CVE-2026-94142

BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where

HIGH
8.8
CVSS Score
Published: September 21, 2026 at 04:45 AM UTC
Updated: September 21, 2026 at 08:17 PM UTC
1 product affected across 1 vendorTemperature Monitor Utility

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/408057
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/408057/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-94142
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/893919

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-123CWE-119

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